What is First Long Island Investors, LLC's NAICS code?

First Long Island Investors, LLC's NAICS code is 5239 (Other Financial Investment Activities).

Insights

Wealth Management Focus Target high-net-worth individuals and families seeking comprehensive wealth preservation and growth solutions, including liquid and illiquid assets, with family office services as a potential upsell.

Growth and Assets Leverage their established AUM of approximately $1.9 billion as a credibility cue with prospects, highlighting capacity for sophisticated strategies and large-ticket investments.

Community and Trust Emphasize long-standing local presence and fiduciary alignment, using their track record of client-aligned investing and community involvement to differentiate in markets seeking trusted advisors.

Thought Leadership Capitalize on recent high-profile events and recognition, offering partnerships for broadening reach, hosting joint thought leadership, and cross-promoting services to attract affluent clients.

Technology Stack Position offerings that integrate with their digital infrastructure (iCIMS, AWS, WordPress, Shopify, PHP, analytics) to enhance client onboarding, digital experiences, and portfolio reporting for scale.

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First Long Island Investors, LLC Tech Stack

First Long Island Investors, LLC uses 8 technology products and services including iCIMS, Amazon Web Services, WordPress, and more. Explore First Long Island Investors, LLC's tech stack below.

iCIMS
Applicant Tracking Systems
Amazon Web Services
Cloud Hosting
WordPress
Content Management System
Shopify
E-commerce
PHP
Programming Languages
reCAPTCHA
Security
YouTube
Video Players
Piwik PRO Core
Web Analytics

Media & News

First Long Island Investors, LLC's Email Address Formats

First Long Island Investors, LLC uses at least 4 email formats:

First Long Island Investors, LLC Email Formats	Example	Percentage
First@fliinvestors.com	John@fliinvestors.com	89%
First.L@fliinvestors.com	John.D@fliinvestors.com	4%
FLast@fliinvestors.com	JDoe@fliinvestors.com	5%
Middle@fliinvestors.com	Michael@fliinvestors.com	2%

Frequently Asked Questions

What is First Long Island Investors, LLC's phone number?

You can contact First Long Island Investors, LLC's main corporate office by phone at

+1-516-935-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is First Long Island Investors, LLC's official website and social media links?

First Long Island Investors, LLC's official website is fliinvestors.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does First Long Island Investors, LLC generate?

As of August 2026, First Long Island Investors, LLC's annual revenue is estimated to be $25M - $50M.

What is First Long Island Investors, LLC's SIC code and NAICS code?

First Long Island Investors, LLC's SIC code is 6211 - Security Brokers, Dealers, and Flotation Companies and NAICS code is 5239 - Other Financial Investment Activities.

How many employees does First Long Island Investors, LLC have currently?

As of August 2026, First Long Island Investors, LLC has approximately 19 employees across 1 continents, including North America. Key team members include Vice President - Portfolio Administration: A. Y., Executive Director: B. D. and Education Director: C. G. Explore First Long Island Investors, LLC's employee directory with LeadIQ.

What industry does First Long Island Investors, LLC belong to?

First Long Island Investors, LLC operates in the Investment Management industry.

What technology does First Long Island Investors, LLC use?

First Long Island Investors, LLC's tech stack includes iCIMS, Amazon Web Services, WordPress, Shopify, PHP, reCAPTCHA, YouTube and Piwik PRO Core.

What is First Long Island Investors, LLC's email format?

First Long Island Investors, LLC's email format typically follows the pattern of First@fliinvestors.com. Find more First Long Island Investors, LLC email formats with LeadIQ.

When was First Long Island Investors, LLC founded?

First Long Island Investors, LLC was founded in 1983.

First Long Island Investors, LLC

Q: What technology does First Long Island Investors, LLC use?

First Long Island Investors, LLC's tech stack includes Sitelinks Search Box, Site Kit, jQuery, Twemoji, oEmbed.

Investment ManagementNew York, United States11-50 Employees

First Long Island Investors, LLC is an investment management firm that provides individualized guidance on preserving, growing, and administering both liquid and illiquid wealth for high-net-worth individuals, families, and select institutions. Based in Jericho, Long Island, and founded in 1983, the firm emphasizes aligning its principals’ investments with those of its clients and offers family office services as part of its advisory work. The firm oversees about $1.9 billion in assets as of December 31, 2023.

Operating in the investment management industry, it targets sophisticated clients seeking tailored advice and comprehensive wealth administration. In 2025, InvestmentNews named First Long Island Investors a 5-Star RIA Firm, reflecting external recognition of its service standing.